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satela [25.4K]
2 years ago
6

Fred is 4 times as old as nathen and is also27 years older than nathen

Mathematics
1 answer:
docker41 [41]2 years ago
3 0

Answer: Nathen is 9 years old and Fred is 36 years old.

Step-by-step explanation:

set Nathen's age = x

set Fred's age = 4x (because he is 4 times as old as Nathen)

4x = x + 27

3x = 27

x = 9 (Nathen's age)

4x = 36 (Fred's age)

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Write the equation of a line that is perpendicular to y =3x-2 and that passes through the point(-9,5)
Oduvanchick [21]

Answer:

y = -1/3x + 8

Step-by-step explanation:

If two lines are perpendicular, the signs of the slope must be opposite and the slopes are reciprocals.

(basically if one is say -2/3, the other is 3/2. just flip it upside down)

So this slope is 3, so the new slope should be -1/3

The equation is now y = -1/3x + b

To find b, substitute (-9,5) in the equation

y = -1/3x + b

5 = -1/3(9) + b

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3 years ago
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Step-by-step explanation:

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3 years ago
130 apples at the party. There were 3 times as many yellow apples as green apples, there were twice as many red apples as yellow
kipiarov [429]

Answer: There were 78 red apples at the party.

Step-by-step explanation:

This situation can be represented by the equation  

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Now solve for x

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Now we know that x is 13 so put it into the expression for red apples and solve for the actual number of red apples.

2 * (3*13)  = ?

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6 0
3 years ago
Cole worked 20 hours and earned $500. How many hours must Cole work in order to earn $700?
galina1969 [7]

Hi! I'm Carriyana!! Glad to help you today! :)

Cole needs to work 28 hrs!!

My steps:

First I did 500/20 and got 25

Then I did 700/25

And ended up with 28

So the answer should be...

<h3>~28 hrs!~</h3>

9 0
3 years ago
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